Home / 26,755.44-40,142.32-10,120.24

Finding the Fourth Proportional to 26,755.44, 40,142.32 and 10,120.24

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Solution

The fourth proportional to 26,755.44, 40,142.32 and 10,120.24 is: 15,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.44 : 40,142.32 = 10,120.24 : x
  2. Step 2: Convert to fraction form
    26,755.44/40,142.32 = 10,120.24/x
  3. Step 3: Cross multiply
    26,755.44x = 40,142.32 × 10,120.24
  4. Step 4: Simplify right side
    26,755.44x = 406,249,912.56
  5. Step 5: Solve for x
    x = 406,249,912.56/26,755.44
  6. Step 6: Final answer
    x = 15,183.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.